The surge protection device spd is a component of the electrical installation. The basics of surge protection the basics of surge protection. Trabtech surge protection user manual for specialist electrical planners. This guide to wylex surge protection devices is not.
The intention is for the reader to have the information needed to properly implement efficient, costeffective spd. Low prices, fast shipping, outstanding quality, satisfaction guaranteed. Eatons bussmann business surge protective device master specs. The relationship between spd earths and the earthing of associated instrumentation or other equipment with which the devices are used is also considered. Do not energize or connect distribution equipment to their sources until surge protection devices are installed and connected. Europas range of mersen and dehn surge protection units cover the range of earthing systems. The requirements for spds were changed and they are now identified by type 1, 2, 3, or 4 depending upon where the spd will be incorporated within the power distribution system. This standard comprises a four part series general principles, risk management, physical damage to structures and life hazard and electrical and electronic systems within structures. Surge suppressors a spd, tvss or surge suppressor will not effectively control. Eatons guide to surge suppression export yellow pages. This device is connected to the power supply in parallel with the loads circuits that it is intended to protect see figure 4.
A surge protector is an electrical device that is used to protect equipment against power surges and voltage spikes while blocking voltage over a safe threshold approximately 120 v. Long term exposure to lower level transient overvoltages can also lead to premature ageing of equipment. Surge protection devices while the industrial and residential markets both benefit from surge protection devices that provide a layer of protection to shield sensitive computer and data processing equipment from electrical transients, the two markets are quite different in the devices that perform the tasks. The stxr series spd feature tpmov technology inside making them some of the safest products available. Thank you for choosing the philips surge protection device 277v spd. Best practice for using surge protection devices spds. These training sessions combine practical and theoretical aspects. Video surge protection for dvr in 1u rack mounting panel for utp cable use. A failsafe, which prevents the unit working as a normal power board if surge protection fails. This particularly dynamic pulse shape also provides information regarding the response behavior of the spd. This product will help protect your outdoor lighting installation against damaging spikes in mains voltage, including high surges caused by lightning. A surge protected extension lead to a large plasma tv, is an example of the type 3 device. British standards and iee regulations are subject to change and amendments. A surge protection device spds is a component of the electrical installation protection system.
Eaton s spd series surge protection devices are the latest and most advanced ul 1449 4th edition and csa c22. Advanced protection technologies apt has been a worldwide leader in the surge suppression industry since 1985. The nominal discharge current the device must be able to withstand a. Surge protection devices spd critical power products section 5 rev. Surge protective device installation manual the midnite solar surge protective device mnspd is a type 1 device, designed for indoor and outdoor applications. Developing a consumeroriented guide on surge protection thomas key epripeac 10521 research dr. Surge protection device circuit protection eaton uk. Overvoltages caused by lightning are responsible for 25% to 40% of all damage to equipment. Surge protective devices spds are designed to protect equipment against temporary excess voltage andor current. Phoenix contact type 3 surge protection device pltsect3. Type 1 devices, the first of these is the maximum impulse current 12. Havells offers a comprehensive range of surge protection devices designed to protect your installation by limiting transient overvoltages and diverting surge currents to ground. L1, n, pe, with integrated surgeproof fuse and remote indication contact. Surge protection device surge protection automationdirect.
Shop high quality surge protection devices at automationdirect. Welcome to surge protection devices lightning and surge protection for industrial, commercial and domestic electrical installations. It can also be used at all levels of the power supply network. Engineered for both ac and dc electric systems, it protects both transformer and transformerless inverters without interfering with the gfp. The costeffective way to combat disruption or damage to sensitive electronic equipment due to surgerelated events. This version of internet explorer is either no longer supported by microsoft, or is obsolete and some features of our store may no longer be supported. The inclusion of surge protection devices spds in the 17th edition of the bs en 7671 wiring regulations amendment 1 shows how far the complexity and concern for personal safety of modern. The voltagelimiting function of the spds is tested using surge currents with a pulse shape of 820.
Surge protection devices and its partner companies have been solving problems in lightning and surge protection for over 50 years. Classification and testing ofsurge protective devices. Ovr practical guide for the protection against surges. The costeffective way to combat disruption or damage to sensitive electronic equipment due to surge related events. The relationship between spd earths and the earthing of associated instrumentation or other equipment with which the devices are used is. Phoenix contact type 3 surge protection device pltsec. Spd surge protection device a transient over voltage protection device acts as a voltage controlled switch and is installed between the active conductors and ground in parallel with the equipment to be protected. Knoxville, tn 37932 francois martzloff national institute of standards and technology gaithersburg md 20899 roger witt state farm insurance co. Surge protective devices shall be factory installed in all new distribution equipment. At the service entrance the service entrance spd is the first line of defense against lightning and surges coming in on the power lines from the outside world. The service entrance is the location where the power company supplies electric power to the customer and where the neutral if used is. L1, n, pe, with integrated surge proof fuse and remote indication contact. Mtl surge technologies earthing guide for surge protection.
Eatons bussmann business surge protective device master. Protection status lights, which indicate whether the surge protection is active or not. Surge protection device eaton south africa circuit protection. Pluggable device protection, according to type 3class iii, for 1phase power supply networks with separate n and pe 3conductor system. Note, if a type 2 spd is installed and cable lengths are less than 10m, then there is no longer a requirement to fit type 3. Installation as defined in the standard is simple enough, the device is connected with cables to and from the unit no longer than a metre in total, and a short path to earth will ensure the effective discharge of the surge to earth. Figure 1 various surge protection barriers housing types depending on the location you have to protect, we offer. Earthing guide for surge protection synopsis this publication discusses the major aspects of earthing surge protection devices spds. If greater than 10m then type 3 surge protection should be fitted.
I imp type 23 devices the first parameter is maximum discharge current 5ka. According to the standard, if the installation has anything to do with human safety i. Surge protective devices spds specifications engineering360. Metronics manufacturing sdn bhd has launched our latest 3rd generation surge protection device spd model, combining german and usa technology with smooth aluminium hard casing, flat embedded surge counter, led indicating light with a superb slim and compact finishing. Circuit protection surge suppression ics are in stock at digikey. Utility swells lasting several cycles utility sags harmonics certain noise problems not a substitute for lightning protection system will not save energy or lower utility billing. Engineered for both ac and dc electric systems, it protects both transformer and transformerless inverters without interfering with the.
Eatons bussmann business surge protective device master specs 1072014 page 1 of 20 publication no. Find surge protective devices spds on globalspec by specifications. Consideration should be given to additional coordinated surge protection devices closer to the equipment. Figure 1 various surge protection barriers housing types depending on the location you have to. Safety test constructed of approved components in a safe. A simple guide to installing surge protection devices spds to bs7671 amendment 1 when do i need to fit a surge device. Surge protection devices circuit protection bg electrical. Devices for surge protection response time discharge capability protection level better suppressor diode varistor gas discharge tube spark gap 24. The report forecast the global market by type, enduser, discharge current, and region. As stated previously, the protection devices limit the energy seen by instrument systems as a consequence of external. Spd products and performance, pricing and quality range from very good to very poor.
Surge protective devices spd assist in the protection of valuable electrical and. These transients can cause damage ranging from the premature ageing of equipment, logic failures and down time. Lightning and surge protection basics phoenix contact. All of our surge protective devices spds comply with the latest industry standards. Guide to surge protection devices should the distance between the spd and the sensitive equipment to be protected be greater than 10m, oscillations could lead to higher voltage values appearing at the equipment. This impressive surge protection circuit is designed to. Developing a consumeroriented guide on surge protection. The designin guide provides instructions on how to install the spd in your.
Stxr series surge protective devices the most popular range in the stx series offering, the surgetrap type 1 stxr meets requirements for ul1449 fourth edition and is ideal for the replacement of obsolete surge arrestors. Apts commercial industrial surge protectors are designed to accommodate any design build or bid project. Define the basic principles of a transient surge identify the causes of surge events describe how transient surge affects you today explain how an spd works describe how to use surge protection correctly identify important surge protection codes and standards and their requirements. Introductionsurge protection devices slp series the multistage hybrid surge protection network at the heart of the slp uses a combination of solid state electronics and a gas filled discharge tube gdt to provide surge protection up to 20ka. Surge protective devices spds are designed to protect against transient surge conditions. Spds, or surge protective devices, are designed to prevent electrical systems and equipment against transitory surges and impulses such as, for example, those. Raycap industrial surge protection devices and lightning. I max the remaining three parameters are the common to all types of devices. When a threshold is over 120v, a surge protector shorts to ground voltage or blocks the voltage. Consequently, all pv arresters from dehn combine surge protection, fire protection and personal protection in a single device.
The basics of surge protection we dont just want to support you with convincing solutions, but also to be on hand with help and advice. Surge protection devices sil 1 2 3 mtl instruments. The term transient voltage surge suppressor tvss is being replaced by surge protective devices spds. System description surge protection introduction to protect the signal lines of field devices and systems in the cabinet against lightning. Standard descriptions standard current revision date purpose of standardcomments ul 1449 1987 transient voltage surge suppressors tvss 1.
Consideration should be given to additional coordinated surge. Think about how many devices you need to connect to the surge protector they usually have four to eight sockets. Specific data sheets and a technical helpline are available to provide assistance in selecting the correct product. Surge protection devices spd electrical power supply networks to iecen din rail. The surge protection devices may be used as protective wiring components in functional safety applications but the devices are not considered as safety elements conforming to the requirements of iec 61508. The terms surge protection device spd and transient voltage surge suppressor tvss are used to describe electrical devices typically installed in power distribution panels, process control systems, communications systems, and other heavyduty industrial systems, for the purpose of protecting against electrical surges and spikes, including those caused by lightning. It describes critical selection criteria for surge protective devices including pertinent standards, performance characteristics, and proper installation techniques. Classification and testing of surge protective devices 16 3. Raycap develops innovative connectivity, industrial surge protection devices, surge monitoring and concealment solutions that support and protect the worlds critical energy, telecommunications, power and transportation infrastructure.
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